bootstrap中的導(dǎo)航條實(shí)例代碼詳解

一、和導(dǎo)航的區(qū)別

10年積累的做網(wǎng)站、成都網(wǎng)站制作經(jīng)驗(yàn)，可以快速應(yīng)對(duì)客戶(hù)對(duì)網(wǎng)站的新想法和需求。提供各種問(wèn)題對(duì)應(yīng)的解決方案。讓選擇我們的客戶(hù)得到更好、更有力的網(wǎng)絡(luò)服務(wù)。我雖然不認(rèn)識(shí)你，你也不認(rèn)識(shí)我。但先制作網(wǎng)站后付款的網(wǎng)站建設(shè)流程，更有察隅免費(fèi)網(wǎng)站建設(shè)讓你可以放心的選擇與我們合作。

1.導(dǎo)航條比導(dǎo)航多了一個(gè)條字

2.直接上圖

導(dǎo)航：

bootstrap中的導(dǎo)航條實(shí)例代碼詳解

導(dǎo)航條：

bootstrap中的導(dǎo)航條實(shí)例代碼詳解

簡(jiǎn)單文字描述：由兩張圖看出，導(dǎo)航內(nèi)容比較簡(jiǎn)單，而導(dǎo)航條可以包含導(dǎo)航及其他元素，如表單，搜索框等，并且通常導(dǎo)航條會(huì)有一個(gè)區(qū)別于頁(yè)面的背景色。

二、在頁(yè)面中定義導(dǎo)航條

方法：

為父容器添加類(lèi)名navbar navbar-default。navbar-default類(lèi)用來(lái)規(guī)定導(dǎo)航條的顏色，可以更改為navbar-inverse來(lái)讓導(dǎo)航條反色顯示。bootstrap官網(wǎng)建議使用nav元素。但也常用div元素，建議用div元素時(shí)增加role="navigation"屬性，該屬性對(duì)一些特殊的輔助設(shè)備友好。

結(jié)構(gòu)：

標(biāo)題或者logo放在類(lèi)名為.navbar-header>.navbar-brand的容器中，其他條目可以放在類(lèi)名為.nav navbar-nav的容器中

<div class="navbar navbar-default" role="navigation">
 　<div class="navbar-header">
 　 <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="navbar-brand">MY WEBSITE</a>
 　</div>
 <ul class="nav navbar-nav">
  <li class="active"><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >首頁(yè)</a></li>
   <li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >條目一</a></li>
   <li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >條目二</a></li>
   <li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >條目三</a></li>
   <li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >條目四</a></li>
 </ul>
</div>

包含元素：

1.表單：form 添加類(lèi)名navbar-form
2.按鈕：添加類(lèi)名navbar-btn（需和類(lèi)名為“navbar-nav”或"navbar-brand"的元素配合使用，且數(shù)量不能多）
3.文本：添加類(lèi)名navbar-text（需和類(lèi)名為“navbar-nav”或"navbar-brand"的元素配合使用，且數(shù)量不能多）
4.鏈接：添加類(lèi)名navbar-link（需和類(lèi)名為“navbar-nav”或"navbar-brand"的元素配合使用，且數(shù)量不能多）
5.二級(jí)菜單：（見(jiàn)下面代碼）

<div class="navbar navbar-default" role="navigation">
 　<div class="navbar-header">
 　 <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="navbar-brand">MY WEBSITE</a>
 　</div>
 <ul class="nav navbar-nav">
  <li class="active"><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >首頁(yè)</a></li>
  <li class="dropdown">
   <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" data-toggle="dropdown" class="dropdown-toggle">水果<span class="caret"></span></a>
   <ul class="dropdown-menu">
   <li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >蘋(píng)果</a></li>
   <li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >橘子</a></li>
   <li ><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >香蕉</a></li>
   </ul>
  </li>
  <li><a href="##" rel="external nofollow" rel="external nofollow" rel="external nofollow" >蔬菜</a></li>
  <li><a href="##" rel="external nofollow" rel="external nofollow" rel="external nofollow" >哈哈</a></li>
  <li><a href="##" rel="external nofollow" rel="external nofollow" rel="external nofollow" >呵呵</a></li>
 </ul>
</div>

位置樣式：

•導(dǎo)航條內(nèi)元素左浮動(dòng)：左浮動(dòng)的元素添加類(lèi)名navbar-left
•導(dǎo)航條內(nèi)元素右浮動(dòng)：右浮動(dòng)的元素添加類(lèi)名navbar-right
•導(dǎo)航條固定在瀏覽器窗口頂部：導(dǎo)航條父容器添加類(lèi)名navbar-fixed-top
•導(dǎo)航條固定在瀏覽器窗口底部：導(dǎo)航條父容器添加類(lèi)名navbar-fixed-bottom

注意：讓導(dǎo)航條固定在瀏覽器窗口頂部或底部會(huì)遮蓋到頁(yè)面頂部或底部的內(nèi)容，解決辦法為：給body設(shè)置合適的內(nèi)邊距（溫馨提示：導(dǎo)航條默認(rèn)高度為50px）。

三、響應(yīng)式

目的：讓導(dǎo)航條內(nèi)容比較多的時(shí)候，在窄屏幕設(shè)備上顯示更加友好

表現(xiàn)：寬屏正常顯示，窄屏?xí)r隱藏一部分條目，并調(diào)整其排列方式為垂直排列，然后通過(guò)一個(gè)按鈕單擊顯示

寬屏顯示：

bootstrap中的導(dǎo)航條實(shí)例代碼詳解

窄屏顯示：

bootstrap中的導(dǎo)航條實(shí)例代碼詳解

窄屏展開(kāi)：

bootstrap中的導(dǎo)航條實(shí)例代碼詳解

方法：

1.將想要被折疊的元素包裹在一個(gè)類(lèi)名為"collapse navbar-collapse"的div中

2.定義想要顯示的圖標(biāo)，可以將其放在類(lèi)名為“navbar-header”的元素中

<button class="navbar-toggle" type="button" data-toggle="collapse">
 <span class="sr-only">Toggle Navigation</span>
 <span class="icon-bar"></span>
 <span class="icon-bar"></span>
 <span class="icon-bar"></span>
</button>

完整代碼：

<div class="navbar navbar-default" role="navigation">
 <div class="navbar-header">
  <button class="navbar-toggle" type="button" data-toggle="collapse" data-target=".test">
   <span class="sr-only">Toggle Navigation</span>
   <span class="icon-bar"></span>
   <span class="icon-bar"></span>
   <span class="icon-bar"></span>
  </button>
  <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="navbar-brand">LOGO</a>
 </div>
 <div class="collapse navbar-collapse test">
  <ul class="nav navbar-nav">
   <li class="active"><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >首頁(yè)</a></li>
   <li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >條目一</a></li>
   <li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >條目二</a></li>
   <li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >條目三</a></li>
   <li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >條目四</a></li>
   <li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >條目五</a></li>
  </ul>
 </div>
</div>

1.為隱藏元素的父標(biāo)簽添加一個(gè)class類(lèi)名或id名，然后讓button的data-target鏈接到該元素：data-target=".class/#id"

響應(yīng)式的臨界點(diǎn)為768px,即當(dāng)屏幕大于768px時(shí)原樣顯示，小于768px時(shí)改變樣式

路徑導(dǎo)航（面包屑導(dǎo)航）

<ol class="breadcrumb">
 <li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >Home</a></li>
 <li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >Library</a></li>
 <li class="active">Data</li>
</ol>

樣式：

bootstrap中的導(dǎo)航條實(shí)例代碼詳解

總結(jié)

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bootstrap中的導(dǎo)航條實(shí)例代碼詳解